The RootFS Auto-resize feature has changed!!!
Once everything is done after auto-resize, the power will turn off automatically. Wait a couple of minutes.
And press the power button if the blue LED is off.

Some UASP capable USB-to-SATA bridge controllers are not compatible. If your external HDD is not working properly, add its USB VID/PID in boot.ini Boot arguments to disable the UAS function something like this.

usb-storage.quirks=0x0bc2:0x2322:u

The Youtube video quality on Chromium browser can be improved a lot with “h264ify” extension in Chrome Web Store. 720p videos are fine with the extension.

If you update Kernel from 4.9 to 4.14, you have to install below two packages manually.